Rollout PDF to public

Reviewed-by: Tino Schreiber <tino.schreiber@t-systems.com>
Co-authored-by: Sebastian Gode <sebastian.gode@telekom.de>
Co-committed-by: Sebastian Gode <sebastian.gode@telekom.de>

otc_metadata/data/documents/dws-tool-guide.yaml

@@ -3,7 +3,7 @@ hc_location: tg/dws
 html_location: docs/dws/tool
 link: /data-warehouse-service/tool-guide/
 pdf_enabled: true
-pdf_environment: internal
+pdf_environment: public
 rst_location: doc/tool/source
 service_type: dws
 title: Tool Guide